PANAMA POTOO 



sifications. They are distinguished from the 

 goatsuckers by several structural- characters 

 in spite of much superficial resemblance to 

 them, there being differences in the feet, in 

 the upper mandible (toothed near the end) 

 and in the existence of areas of peculiarly 

 modified soft feathers on the sides and 

 breast. Like the goatsuckers they are noc- 

 turnal and some of them are noted for their 

 extraordinary calls. 



i. Nyctibius griseus panamensis Ridgway 

 Panama Potoo. "Bohio" 



Male. Length, 344 mm. (13.50 in.); tail, 201 

 mm. (7.90 in.). Female. Dimensions not 

 available. 



Sexes similar. Plumage mottled, vermicu- 

 lated and spotted grayish brown, cinnamon buff 

 and black, the head broadly striped with black, 

 the scapulars spotted with black, edge of wing 

 black, the longer wing quills blackish barred on 

 outer webs with creamy buff ; tail brownish black 

 with irregular speckled bands of grayish buff; 

 feathers of under parts with black shafts, some of 

 those of breast with black terminal spots. 



"The locality was not far from the stub upon 

 which we had originally discovered Nyctibius and 

 we had little doubt that the individual seen was 

 the one we had heard calling. . . . The inex- 

 pressibly sad, human quality of 'Poor me one's' 

 call affects every one who hears it. Waterton, 

 we have no doubt refers to it when he compares 

 i74 



